The numbers on your wearable feel like proof. But when you wake up tired, or find yourself frazzled by the unpredictability of the day, the data and lived experience don’t always match. 

Tracking your HRV score through wearable devices turns your nervous system into a performance score rather than an invitation to listen to what your body is telling you. Your heart rate variability is a window into your nervous system that allows you to understand what your pulse is communicating. Move beyond the numbers and understand what your heart is communicating. 

What Is Heart Rate Variability?

Heart rate variability is a measurement of the time in milliseconds between each heartbeat. The rhythm reflects the function of your autonomic nervous system, which governs your response to stress, rest, and recovery. 

Contrary to popular belief, a healthy heart does not beat in a predictable, metronome-like rhythm. An inflexible rhythm is a sign that your nervous system is unable to adapt to internal and external demands. A more variable heart rate supports a resilient response to stress. 

How Does Your HRV Score Map the Landscape of Your Stress?

Your HRV score typically lowers when the sympathetic nervous system is activated in response to acute stress. This is because the space between your pulses has a constant rhythm, indicating that your nervous system is stuck in a stress state rather than moving through it. A rhythmic beat means the fight-or-flight response is overriding vagal tone and that your nervous system is less adaptive to stress. 

For people with a higher resting heart rate, there is even less time between beats for variability. Chronic stress is one common contributor to an elevated resting heart rate, though cardiovascular health and other factors also play a role. 

Is a Higher HRV Score Always the Goal for Recovery?

A higher HRV score can indicate better cardiovascular fitness and a nervous system that readily activates the parasympathetic state. An excessively high score can signal extreme fatigue or overtraining, undermining optimal recovery. A consistently high HRV reflects a system in a constant state of high rest, caused by an overloaded system overcompensating with heavy reliance on the parasympathetic system. For recovery, your goal should be a balanced HRV trend over time. 

Are You Using Your Data to Drive Nervous System Regulation or More Burnout?

Wearable devices can be useful tools to monitor your daily heart rate variability. How you use the device and interpret the data matters. Instead of tracking numbers to increase your HRV every day, your device should be used to monitor your personal range and how that range shifts in response to stress, sleep, and recovery. The range of your HRV is more informative than a single high number, especially when you're feeling tired or burned out. 

Can Mindful Breathwork and Meditation Create a Lasting Shift for HRV and Stress?

Research on the connection between meditation and HRV shows that regular, long-term meditation practice can raise baseline HRV. Meditation combined with breathwork shows even greater effects, particularly with consistent practice.

Breathwork and meditation can support the resilience of the autonomic nervous system. Slow-paced diaphragmatic breathing stimulates the vagus nerve and increases vagal tone through parasympathetic nervous system activity. Over time, this lowers stress and anxiety, supporting a nervous system response that can handle acute stress and then shift into a restful state more readily. 

How to Improve Your HRV Score Through Daily Breathwork and Meditation

Consistent daily practice with breathing exercises on a meditation platform like Open may support your HRV score over time. Some of the best meditation techniques for increasing HRV in a high-stress lifestyle on the Open mindfulness app are:

• Spacious Sleep: Focused breath counting to gently guide you into a state of deep rest.
• Stress Cycle: Restore the body’s natural rhythm of recovery to transform tension into strength. 
• Regulate: Balance your nervous system with box breath and sound. 
• Mindset Matters: Work with your breath to transform stress into a catalyst for growth. 

HRV and Stress FAQs

Does HRV or resting heart rate matter more for sleep?

Your HRV is considered more informative than your resting heart rate when assessing sleep quality and recovery.

Resting heart rate is a general indicator of fitness and cardiovascular health. A stable resting heart rate between 40 and 60 BPM is a common range for most adults. A high, stable HRV while you sleep suggests a balanced autonomic nervous system that can shift into a rest state for restorative sleep. 

Is there a good HRV score for your age?

Most adults have an HRV between 19 and 75 milliseconds. However, because every HRV score is shaped by your unique biology, there is no universal target score for specific age groups. It’s more useful to track your baseline to identify when your score changes. 

Why is your HRV score low even when you feel fine?

When your score is lower than normal, this is an early physiological signal that you are about to feel consciously exhausted. Your body will eventually reflect the effects of disrupted sleep, unregulated stress, overtraining, and illness. 

Tune Into the Rhythm of Your Pulse

Tracking the numbers on your wearable device doesn’t tell the whole story, especially when your nervous system remains in an active state after daily stressors. Relying solely on your wearable mutes your body's signals. Through intentional 15-minute meditations and holistic fitness practices, you can tune in to your nervous system to improve your capacity for rest, calm, and presence. 

Understanding your HRV score is one place to begin. Explore Open meditation and breathwork practices on the Open app today.